<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title></title>
    <style>
        *{
            padding: 0;
            margin: 0;
        }
        html,body{
            height: 100%;
            width: 100%;
        }
    </style>
</head>
<body>
    <a href="http://esp-web.local/pic">
        <button>点我立即看美图！</button>
    </a><br />
    <a href="https://www.baidu.com/">
        <button>点我跳转到度娘！</button>
    </a>
</body>
</html>